双语例句原声例句
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虽然7岁以后接种产生负效益，但由于仍可获得相当可观的净效果，因此建议，在适当时机应扩大疫苗接种对象。
Although vaccination would result in negative benefit in the population aged 7 and over, certain net utility was also gained, Therefore we suggest that the subjects tob...
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2011年3月5日，塞拉利昂卫生部启动了一项应对性疫苗接种活动，接种对象为年龄在9个月龄（含）以上的144 479名人员，但不包括Bonthe区的孕妇。
On 5 March 2011, the Ministry of Health of Sierra Leone began a response vaccination campaign targeting 144,479 people aged nine months and above, excluding pregnant women in Bonthe district.
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目前例行的免疫接种规划是以儿童为对象。
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Basically, injecting it into some test subjects, making sure that they didn't get diseased from it and looking at antibody responses to see if it worked and it did.
他们把疫苗接种到测试对象体内,确定接种者不会感染疾病,同时观察抗体的应答反应,了解疫苗是否有效
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